LangChain has raised a $300M Series C at a $3B valuation

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LangSmith Platform

Agent Improvement

Improve agents autonomously

See exactly what your agents are doing

Score and improve agent performance

Agent Runtime

Ship and scale agents in production

Run agent-generated code safely

Agents for the whole company

Agent Governance

Control agent model calls

Agent Frameworks

Build long-running agents for complex tasks

Build agents with low-level control

Quick start agents with any model provider

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Future of Agents by LangChain

LangChain @ AWS re:Invent

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LangChain @ AWS re:Invent

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LangChain @ AWS re:Invent

November 30, 2026

Las Vegas

Future of Agents by LangChain

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Future of Agents by LangChain

November 20, 2026

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Upcoming events

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Friends of LangChain Party (New York)

Nov 17, 2026 3:00 PM

Build and Deploy an Agent with Managed Deep Agents

Nov 17, 2026 5:30 PM

GTM Engineering Live: How We Built Our GTM Agent UI

Nov 18, 2026 11:00 AM

LangChain Seattle Meetup: An Evening with Harrison Chase & Xavi Amatriain

Nov 18, 2026 5:45 PM

Agent Runtime 101

Nov 19, 2026 10:00 AM

Sydney LangChain Meetup

Nov 24, 2026 10:00 PM

LangChain Financial Services Hackathon

Nov 25, 2026 8:00 AM

Give Your Agents Domain Expertise with Knowledge Layers

Dec 3, 2026 5:00 AM

LangChain x hackers&wizards Hackathon: Building with Agent Harnesses (Hamburg)

Dec 4, 2026 8:00 AM

LangChain Presents: Own Your Intelligence Night at the Exploratorium

Dec 8, 2026 6:00 PM

Building & Governing Banking Agents with Managed Deep Agents & Arcade.dev

Dec 9, 2026 9:00 AM

LangChain @ AI Summit NY

Dec 9, 2026 9:00 AM

Construire des agents qui s’améliorent au fil du temps

Dec 15, 2026 4:00 AM

GTM Engineering Live: GTM Agent 2.0 Outcomes > Actions

Jan 13, 2027 11:00 AM

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Past events

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[Live Demo] How to accelerate the agent development lifecycle

May 27, 2026 6:00 AM

Building Deep Agents and Deploying to Production (New York)

May 20, 2026 3:00 PM

Building Deep Agents and Deploying to Production (San Francisco)

May 19, 2026 6:00 PM

Building Agents Meetup: Memory is the Moat (New York)

May 7, 2026 3:00 PM

[Customer AMA] Scaling Agents Across Your Organization with LangSmith Fleet

May 6, 2026 1:00 PM

AI Agent Conference: After Hours with LangChain + Baseten

May 4, 2026 2:30 PM

The Agent and Code Improvement Loops (San Francisco)

Apr 29, 2026 6:00 PM

Building Better Agents: The Agent Improvement Loop (New York)

Apr 29, 2026 3:00 PM

LangSmith 102: Building Deep Agents and Deploying in Production

Apr 29, 2026 6:00 AM

LangSmith 102: How to run deep agents in production

Apr 29, 2026 6:00 AM

How to Operationalize the Agent Improvement Loop

Apr 23, 2026 11:00 AM

LangChain Presents: AI Agents Workshop with Harrison Chase

Apr 16, 2026 5:30 AM

LangSmith 102: Agents That Actually Work

Apr 15, 2026 11:00 AM

[Customer AMA] LangSmith Deployment: From Testing to Production

Apr 15, 2026 8:06 AM

[Customer AMA] LangSmith Deployment: From Testing to Production

Apr 15, 2026 8:00 AM

[AMA] Debugging Deep Agents

Apr 1, 2026 1:00 PM

LangSmith for Startups Presents: Sunday Hacking Brunch (New York)

Mar 29, 2026 8:00 AM

LangSmith for Startups Presents: Office Hours (San Francisco)

Mar 27, 2026 8:30 AM

LangSmith 101

Mar 25, 2026 6:00 AM

LangChain Presents: It Worked on My Laptop - Agents in Production (New York)

Mar 24, 2026 3:00 PM

LangChain Presents: It Worked on My Laptop - Agents in Production (San Francisco)

Mar 19, 2026 6:00 PM

Scaling Agents in the Enterprise w/ Harrison at LangChain

Feb 25, 2026 6:00 PM

TORONTO: LangChain presents: Observing & Scaling Production Agents

Feb 25, 2026 2:00 PM

LangChain - AI Agent Meetup: Agent Observability Powers Agent Evaluation

Feb 18, 2026 6:00 PM

NYC: LangChain Presents: Agent Observability Powers Agent Evaluation

Feb 17, 2026 3:00 PM

LangChain + OneTrust Present: Observing & Scaling Production Agents

Feb 11, 2026 3:00 PM

No-Code Agent Building (Women & Underrepresented Genders)

Feb 5, 2026 3:00 PM

☕ LangChain #lang-ladies San Francisco Breakfast

Jan 30, 2026 8:00 AM

LangChain Community Jam Session

Dec 15, 2025 4:00 PM

AI Agents Meetup: Cursor + LangChain

Dec 10, 2025 6:00 PM

☕ LangChain #lang-ladies NYC Breakfast

Nov 20, 2025 5:15 AM

AI Agents Meetup: LangChain + Rippling

Nov 4, 2025 6:00 PM

AI Demo-ish Day: A Vanta Community Show & Tell

Oct 28, 2025 5:30 PM

LangChain Launch Week: New York City

Oct 24, 2025 3:00 PM

AI Agent Night hosted by Dynatrace x LangChain

Oct 23, 2025 9:00 AM

LangChain Launch Week: Boston

Oct 22, 2025 3:00 PM

LangChain Launch Week: San Francisco

Oct 21, 2025 6:00 PM

LangChain x Zalion: Germany's first ever LangChain Meetup

Oct 21, 2025 8:00 AM

AI Agents Meetup: LangChain + Harmonic

Sep 24, 2025 3:00 PM

AI Agents Meetup: LangChain + Clay

Sep 18, 2025 6:00 PM

dev_night London

Sep 18, 2025 10:00 AM

LangChain Presents: AI Agents Meetup - Deep Agents

Sep 12, 2025 12:30 AM

LangChain Presents: How To Build An Agent

Sep 10, 2025 6:00 PM

LangChain Presents: AI Agents Meetup with Harrison Chase

Sep 10, 2025 8:30 AM

LangChain x Microsoft: AI Agents Meetup - London

Sep 9, 2025 10:00 AM

LangChain Presents: AI Agents Meetup in Paris

Sep 8, 2025 8:00 AM

LangChain Presents: Demo Night

Aug 28, 2025 6:00 PM

NYC LangChain Meetup: Ambient Agent Architectures

Aug 21, 2025 2:00 PM

AI Agents Meetup: Multi-Agent Orchestration

Aug 20, 2025 6:00 PM

LangChain Presents: Hacking Hours

Aug 15, 2025 4:00 PM

LangChain Presents: College Night

Aug 8, 2025 6:00 PM

Context Engineering for Agents

Jul 23, 2025 6:00 PM

AI Agents Meetup: Ambient Agents

Jul 17, 2025 6:00 PM

LangChain Office Hours - SF

Jul 16, 2025 9:00 AM

AI Agents Meetup: Multi-Agent Orchestration

Jul 16, 2025 8:30 AM

LangChain Office Hours - NYC

Jul 10, 2025 5:30 AM

Coding Agents Without The Pain - Meetup w/ Modal & LangChain

Jul 8, 2025 3:00 PM

Agentic LA - Getting AI Agents Ready for Prime Time

Jun 26, 2025 6:30 PM

Building AI to Remember: Engineering AI Memory

Jun 18, 2025 6:00 PM

LangChain Office Hours

May 29, 2025 5:30 AM

LangChain, Tabs, & Tavily: AI Agents Meetup

May 22, 2025 3:00 PM

LangChain Interrupt VIP Rooftop Reception (Sponsored by Stytch)

May 13, 2025 5:00 PM

Evaluating and Scaling AI Agents - Fireside Chat hosted by LangChain, Writer, & Susa

Mar 20, 2025 6:00 PM

LangChain & Tavily AI Engineer Summit: Kickoff Meetup

Feb 19, 2025 3:00 PM

Building Decagon's AI Agent Engine - Fireside Chat hosted by Decagon, LangChain & Pear

Feb 4, 2025 6:00 PM

LangChain & Pear Present: Lessons from Scaling Consumer AI to 30K QPS - Fireside Chat with James Groeneveld (Engineering @ Character.ai)

Dec 10, 2024 6:00 PM

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